Continuing the concept of the previous film, titled The Purge, the film is still raised the same issue. It is said that later in the year 2023, the Government of the United States provides an opportunity for 12 hours for the American public to put their threat to anyone up in the form of murder, and all that in that period is a legal action.

As in previous years are now dated March 21, 2023, freedom was also held. This time there are several couples / families who are trapped outside their homes during the Revenge Impingement, and they end up inadvertently become targets / month – monthly. The lucky night a police sergeant named Leo Barnes (played by Frank Grillo) who plan to wreak revenge on someone become gods helper these people. Now the hunter was hunted become targets.